<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
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<body>

    <span>手机电量：</span>
    <meter value="15" max="100" min="0" low="10" high="20" optimum="90"></meter>
    <br>
    <span>进度</span>
    <progress></progress>
</body>
</html>